:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --font-body: "Satoshi", "Inter", sans-serif;
  --font-display: "Cabinet Grotesk", "Satoshi", sans-serif;
  --bg: #fff9eb;
  --surface: #fffdf7;
  --surface-2: #f2f7e8;
  --text: #004b2d;
  --muted: #587166;
  --border: rgba(0, 75, 45, 0.15);
  --green: #006633;
  --green-dark: #003f26;
  --orange: #f77f00;
  --orange-soft: #ffedd2;
  --shadow: 0 24px 60px rgba(0, 63, 38, 0.12);
  --radius: 28px;
}

body.dark {
  --bg: #062316;
  --surface: #0b301f;
  --surface-2: #123d2b;
  --text: #ecfff4;
  --muted: #aac7b8;
  --border: rgba(236, 255, 244, 0.15);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(circle at top left, rgba(0, 102, 51, 0.14), transparent 34rem),
    radial-gradient(circle at bottom right, rgba(247, 127, 0, 0.16), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--text-base);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100dvh;
}

.sidebar {
  background: rgba(255, 253, 247, 0.78);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
  padding: var(--space-6);
  position: sticky;
  top: 0;
  height: 100dvh;
  backdrop-filter: blur(18px);
}

body.dark .sidebar {
  background: rgba(11, 48, 31, 0.78);
}

.brand {
  align-items: center;
  color: var(--text);
  display: flex;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 900;
  gap: var(--space-3);
  text-decoration: none;
}

.brand img {
  border-radius: 18px;
  height: 52px;
  width: 52px;
}

.beta-pill {
  background: linear-gradient(135deg, rgba(0, 102, 51, 0.12), rgba(247, 127, 0, 0.14));
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text);
  font-size: var(--text-xs);
  font-weight: 800;
  padding: var(--space-2) var(--space-4);
  width: fit-content;
}

nav {
  display: grid;
  gap: var(--space-2);
}

.nav-item,
.ghost-button,
.secondary-button,
.primary-button {
  border: 0;
  border-radius: 999px;
  font-weight: 900;
  min-height: 48px;
  padding: 0 var(--space-5);
}

.nav-item {
  background: transparent;
  color: var(--muted);
  text-align: left;
}

.nav-item.active,
.nav-item:hover {
  background: var(--green);
  color: white;
}

.safe-mode {
  background: var(--orange-soft);
  border: 1px solid rgba(247, 127, 0, 0.24);
  border-radius: 24px;
  color: var(--green-dark);
  display: grid;
  gap: var(--space-2);
  margin-top: auto;
  padding: var(--space-5);
}

.safe-mode strong {
  font-family: var(--font-display);
}

.safe-mode span {
  font-size: var(--text-sm);
}

.main-panel {
  padding: var(--space-6);
}

.topbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin: 0 auto var(--space-6);
  max-width: 1180px;
}

.eyebrow {
  color: var(--green);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.14em;
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
}

body.dark .eyebrow {
  color: #8ff0b5;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.04em;
  line-height: 0.98;
}

h1 {
  font-size: var(--text-xl);
  margin-bottom: 0;
}

h2 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}

h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

p {
  color: var(--muted);
  line-height: 1.55;
}

.screen {
  display: none;
  margin: 0 auto;
  max-width: 1180px;
}

.screen.active {
  display: block;
}

.hero-card,
.card,
.action-card,
.record-form,
.records-list article,
.emergency-summary article {
  background: color-mix(in oklab, var(--surface), white 8%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  align-items: center;
  display: grid;
  gap: var(--space-8);
  grid-template-columns: minmax(0, 1.1fr) 360px;
  padding: clamp(var(--space-6), 5vw, var(--space-12));
}

.hero-card h2 {
  font-size: clamp(2rem, 4vw, 3.7rem);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.primary-button {
  background: linear-gradient(135deg, #00a651, var(--orange));
  color: white;
}

.secondary-button,
.ghost-button {
  background: var(--surface-2);
  color: var(--text);
}

.full {
  width: 100%;
}

.phone-preview {
  background: #072217;
  border: 10px solid #052015;
  border-radius: 42px;
  color: white;
  min-height: 500px;
  padding: var(--space-6);
  position: relative;
}

.phone-notch {
  background: #02120b;
  border-radius: 999px;
  height: 24px;
  left: 50%;
  position: absolute;
  top: 14px;
  transform: translateX(-50%);
  width: 110px;
}

.phone-header {
  align-items: center;
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.phone-header img {
  border-radius: 14px;
  height: 42px;
  width: 42px;
}

.phone-card {
  background: linear-gradient(135deg, rgba(0, 166, 81, 0.3), rgba(247, 127, 0, 0.42));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 26px;
  display: grid;
  gap: var(--space-2);
  margin: var(--space-8) 0;
  padding: var(--space-6);
}

.phone-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(2, 1fr);
}

.phone-grid span {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  font-weight: 800;
  padding: var(--space-4);
}

.info-grid,
.dashboard-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(3, 1fr);
  margin-top: var(--space-5);
}

.info-grid article,
.action-card {
  padding: var(--space-6);
}

.icon-dot,
.card-icon {
  align-items: center;
  background: linear-gradient(135deg, #00a651, var(--orange));
  border-radius: 16px;
  color: white;
  display: flex;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  margin-bottom: var(--space-4);
  width: 44px;
}

.split-layout,
.emergency-layout {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: minmax(0, 1fr) 420px;
}

.card {
  padding: var(--space-6);
}

.large {
  padding: var(--space-8);
}

.explain-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.explain-list div {
  background: var(--surface-2);
  border-radius: 20px;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
}

.explain-list span,
.fine-print {
  color: var(--muted);
  font-size: var(--text-sm);
}

.consent-form {
  display: grid;
  gap: var(--space-4);
}

.consent-form label {
  align-items: flex-start;
  display: flex;
  gap: var(--space-3);
  line-height: 1.4;
}

.consent-form input[type="checkbox"] {
  accent-color: var(--green);
  margin-top: 0.2rem;
  min-height: 18px;
  min-width: 18px;
}

.dashboard-head {
  align-items: center;
  display: flex;
  gap: var(--space-4);
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.dashboard-grid {
  grid-template-columns: repeat(4, 1fr);
}

.action-card {
  cursor: pointer;
  min-height: 220px;
}

.record-form {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: minmax(0, 1fr) 220px auto;
  margin-bottom: var(--space-5);
  padding: var(--space-4);
}

.record-form input,
.record-form select,
.share-form input,
.share-form select,
.share-form textarea,
.provider-form input,
.provider-form select,
.provider-form textarea,
.emergency-form input,
.emergency-form textarea {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  color: var(--text);
  min-height: 48px;
  padding: 0 var(--space-4);
}

.emergency-form {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.emergency-form label,
.share-form label,
.provider-form label {
  color: var(--text);
  display: grid;
  font-size: var(--text-sm);
  font-weight: 900;
  gap: var(--space-2);
}

.emergency-form textarea,
.share-form textarea,
.provider-form textarea {
  min-height: 86px;
  padding-block: var(--space-3);
  resize: vertical;
}

.share-form,
.provider-form {
  display: grid;
  gap: var(--space-4);
}

.records-list {
  display: grid;
  gap: var(--space-3);
}

.records-list article {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: var(--space-5);
}

.records-list strong {
  display: block;
}

.records-list span {
  color: var(--muted);
  font-size: var(--text-sm);
}

.qr-box {
  align-items: center;
  background: white;
  border-radius: 28px;
  color: var(--green-dark);
  display: grid;
  gap: var(--space-3);
  justify-items: center;
  margin-top: var(--space-5);
  padding: var(--space-5);
  width: 230px;
}

.qr-result-card .qr-box {
  margin-top: var(--space-3);
  width: 100%;
}

.share-result-card .qr-box {
  margin-top: var(--space-3);
  width: 100%;
}

.qr-box canvas,
.qr-box img {
  border-radius: 12px;
}

.qr-placeholder {
  align-items: center;
  background:
    linear-gradient(90deg, #111 50%, transparent 50%) 0 0 / 22px 22px,
    linear-gradient(#111 50%, transparent 50%) 0 0 / 22px 22px,
    white;
  color: transparent;
  display: flex;
  height: 160px;
  justify-content: center;
  opacity: 0.32;
  width: 160px;
}

.qr-pattern {
  background:
    linear-gradient(90deg, #111 50%, transparent 50%) 0 0 / 26px 26px,
    linear-gradient(#111 50%, transparent 50%) 0 0 / 26px 26px,
    white;
  height: 160px;
  opacity: 0.9;
  width: 160px;
}

.emergency-summary {
  display: grid;
  gap: var(--space-3);
}

.emergency-summary article {
  padding: var(--space-5);
}

.emergency-output {
  color: var(--muted);
  display: grid;
  font-size: var(--text-sm);
  gap: var(--space-3);
  line-height: 1.45;
}

.emergency-output div {
  background: var(--surface-2);
  border-radius: 16px;
  padding: var(--space-3);
}

.emergency-output strong,
.share-output strong,
.provider-upload-list strong {
  color: var(--text);
  display: block;
  margin-bottom: var(--space-2);
}

.share-output,
.provider-upload-list {
  color: var(--muted);
  display: grid;
  font-size: var(--text-sm);
  gap: var(--space-3);
  line-height: 1.45;
  margin-top: var(--space-4);
}

.share-output div,
.provider-upload-list article,
.safe-callout {
  background: var(--surface-2);
  border-radius: 16px;
  padding: var(--space-3);
}

.button-link {
  align-items: center;
  display: inline-flex;
  justify-content: center;
  text-decoration: none;
}

.safe-callout {
  border: 1px solid rgba(0, 102, 51, 0.16);
  color: var(--muted);
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.safe-callout strong {
  color: var(--text);
}

.lockscreen-card {
  background: linear-gradient(135deg, rgba(0, 102, 51, 0.11), rgba(247, 127, 0, 0.14));
}

@media (max-width: 940px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    height: auto;
    position: static;
  }

  nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .hero-card,
  .split-layout,
  .emergency-layout {
    grid-template-columns: 1fr;
  }

  .info-grid,
  .dashboard-grid {
    grid-template-columns: 1fr 1fr;
  }

  .record-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .main-panel,
  .sidebar {
    padding: var(--space-4);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  nav,
  .info-grid,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .phone-preview {
    min-height: 420px;
  }
}